Commit feb72f3b authored by Vivek Kutal's avatar Vivek Kutal Committed by Tony Lindgren
Browse files

ARM: OMAP1: Remove omap_sram_idle() 



This patch removes omap_sram_idle() that is no longer used.

The function called in pm_idle is omap_sram_suspend, omap_sram_idle() is
not used anywhere in omap1.

Signed-off-by: default avatarVivek Kutal <vivek.kutal@celunite.com>
Signed-off-by: default avatarTony Lindgren <tony@atomide.com>
parent 010bb0cf

arch/arm/mach-omap1/pm.c

+1 −8
Original line number Original line Diff line number Diff line
@@ -95,7 +95,6 @@ static struct kobj_attribute sleep_while_idle_attr = 




#endif

#endif





static void (*omap_sram_idle)(void) = NULL;

static void (*omap_sram_suspend)(unsigned long r0, unsigned long r1) = NULL;

static void (*omap_sram_suspend)(unsigned long r0, unsigned long r1) = NULL;





/*

/*
@@ -676,23 +675,17 @@ static int __init omap_pm_init(void) 
	 * memory the MPU can see when it wakes up.

	 * memory the MPU can see when it wakes up.

	 */

	 */

	if (cpu_is_omap730()) {

	if (cpu_is_omap730()) {

		omap_sram_idle = omap_sram_push(omap730_idle_loop_suspend,

						omap730_idle_loop_suspend_sz);

		omap_sram_suspend = omap_sram_push(omap730_cpu_suspend,

		omap_sram_suspend = omap_sram_push(omap730_cpu_suspend,

						   omap730_cpu_suspend_sz);

						   omap730_cpu_suspend_sz);

	} else if (cpu_is_omap15xx()) {

	} else if (cpu_is_omap15xx()) {

		omap_sram_idle = omap_sram_push(omap1510_idle_loop_suspend,

						omap1510_idle_loop_suspend_sz);

		omap_sram_suspend = omap_sram_push(omap1510_cpu_suspend,

		omap_sram_suspend = omap_sram_push(omap1510_cpu_suspend,

						   omap1510_cpu_suspend_sz);

						   omap1510_cpu_suspend_sz);

	} else if (cpu_is_omap16xx()) {

	} else if (cpu_is_omap16xx()) {

		omap_sram_idle = omap_sram_push(omap1610_idle_loop_suspend,

						omap1610_idle_loop_suspend_sz);

		omap_sram_suspend = omap_sram_push(omap1610_cpu_suspend,

		omap_sram_suspend = omap_sram_push(omap1610_cpu_suspend,

						   omap1610_cpu_suspend_sz);

						   omap1610_cpu_suspend_sz);

	}

	}





	if (omap_sram_idle == NULL || omap_sram_suspend == NULL) {

	if (omap_sram_suspend == NULL) {

		printk(KERN_ERR "PM not initialized: Missing SRAM support\n");

		printk(KERN_ERR "PM not initialized: Missing SRAM support\n");

		return -ENODEV;

		return -ENODEV;

	}

	}

arch/arm/mach-omap1/sleep.S

+0 −161
Original line number Original line Diff line number Diff line
@@ -39,167 +39,6 @@ 




		.text

		.text





/*

 * Forces OMAP into idle state

 *

 * omapXXXX_idle_loop_suspend()

 *

 * Note: This code get's copied to internal SRAM at boot. When the OMAP

 *	 wakes up it continues execution at the point it went to sleep.

 *

 * Note: Because of slightly different configuration values we have

 *       processor specific functions here.

 */



#if defined(CONFIG_ARCH_OMAP730)

ENTRY(omap730_idle_loop_suspend)



	stmfd	sp!, {r0 - r12, lr}		@ save registers on stack



	@ load base address of ARM_IDLECT1 and ARM_IDLECT2

	mov	r4, #CLKGEN_REG_ASM_BASE & 0xff000000

	orr	r4, r4, #CLKGEN_REG_ASM_BASE & 0x00ff0000

	orr	r4, r4, #CLKGEN_REG_ASM_BASE & 0x0000ff00



	@ turn off clock domains

	@ get ARM_IDLECT2 into r2

	ldrh	r2, [r4, #ARM_IDLECT2_ASM_OFFSET & 0xff]

	mov	r5, #OMAP730_IDLECT2_SLEEP_VAL & 0xff

	orr	r5, r5, #OMAP730_IDLECT2_SLEEP_VAL & 0xff00

	strh	r5, [r4, #ARM_IDLECT2_ASM_OFFSET & 0xff]



	@ request ARM idle

	@ get ARM_IDLECT1 into r1

	ldrh	r1, [r4, #ARM_IDLECT1_ASM_OFFSET & 0xff]

	orr	r3, r1, #OMAP730_IDLE_LOOP_REQUEST & 0xffff

	strh	r3, [r4, #ARM_IDLECT1_ASM_OFFSET & 0xff]



	mov	r5, #IDLE_WAIT_CYCLES & 0xff

	orr	r5, r5, #IDLE_WAIT_CYCLES & 0xff00

l_730:	subs	r5, r5, #1

	bne	l_730

/*

 * Let's wait for the next clock tick to wake us up.

 */

	mov	r0, #0

	mcr	p15, 0, r0, c7, c0, 4		@ wait for interrupt

/*

 * omap730_idle_loop_suspend()'s resume point.

 *

 * It will just start executing here, so we'll restore stuff from the

 * stack, reset the ARM_IDLECT1 and ARM_IDLECT2.

 */



	@ restore ARM_IDLECT1 and ARM_IDLECT2 and return

	@ r1 has ARM_IDLECT1 and r2 still has ARM_IDLECT2

	strh	r2, [r4, #ARM_IDLECT2_ASM_OFFSET & 0xff]

	strh	r1, [r4, #ARM_IDLECT1_ASM_OFFSET & 0xff]



	ldmfd	sp!, {r0 - r12, pc}		@ restore regs and return



ENTRY(omap730_idle_loop_suspend_sz)

	.word	. - omap730_idle_loop_suspend

#endif /* CONFIG_ARCH_OMAP730 */



#ifdef CONFIG_ARCH_OMAP15XX

ENTRY(omap1510_idle_loop_suspend)



	stmfd	sp!, {r0 - r12, lr}		@ save registers on stack



	@ load base address of ARM_IDLECT1 and ARM_IDLECT2

	mov	r4, #CLKGEN_REG_ASM_BASE & 0xff000000

	orr	r4, r4, #CLKGEN_REG_ASM_BASE & 0x00ff0000

	orr	r4, r4, #CLKGEN_REG_ASM_BASE & 0x0000ff00



	@ turn off clock domains

	@ get ARM_IDLECT2 into r2

	ldrh	r2, [r4, #ARM_IDLECT2_ASM_OFFSET & 0xff]

	mov	r5, #OMAP1510_IDLE_CLOCK_DOMAINS & 0xff

	orr	r5, r5, #OMAP1510_IDLE_CLOCK_DOMAINS & 0xff00

	strh	r5, [r4, #ARM_IDLECT2_ASM_OFFSET & 0xff]



	@ request ARM idle

	@ get ARM_IDLECT1 into r1

	ldrh	r1, [r4, #ARM_IDLECT1_ASM_OFFSET & 0xff]

	orr	r3, r1, #OMAP1510_IDLE_LOOP_REQUEST & 0xffff

	strh	r3, [r4, #ARM_IDLECT1_ASM_OFFSET & 0xff]



	mov	r5, #IDLE_WAIT_CYCLES & 0xff

	orr	r5, r5, #IDLE_WAIT_CYCLES & 0xff00

l_1510:	subs	r5, r5, #1

	bne	l_1510

/*

 * Let's wait for the next clock tick to wake us up.

 */

	mov	r0, #0

	mcr	p15, 0, r0, c7, c0, 4		@ wait for interrupt

/*

 * omap1510_idle_loop_suspend()'s resume point.

 *

 * It will just start executing here, so we'll restore stuff from the

 * stack, reset the ARM_IDLECT1 and ARM_IDLECT2.

 */



	@ restore ARM_IDLECT1 and ARM_IDLECT2 and return

	@ r1 has ARM_IDLECT1 and r2 still has ARM_IDLECT2

	strh	r2, [r4, #ARM_IDLECT2_ASM_OFFSET & 0xff]

	strh	r1, [r4, #ARM_IDLECT1_ASM_OFFSET & 0xff]



	ldmfd	sp!, {r0 - r12, pc}		@ restore regs and return



ENTRY(omap1510_idle_loop_suspend_sz)

	.word	. - omap1510_idle_loop_suspend

#endif /* CONFIG_ARCH_OMAP15XX */



#if defined(CONFIG_ARCH_OMAP16XX)

ENTRY(omap1610_idle_loop_suspend)



	stmfd	sp!, {r0 - r12, lr}		@ save registers on stack



	@ load base address of ARM_IDLECT1 and ARM_IDLECT2

	mov	r4, #CLKGEN_REG_ASM_BASE & 0xff000000

	orr	r4, r4, #CLKGEN_REG_ASM_BASE & 0x00ff0000

	orr	r4, r4, #CLKGEN_REG_ASM_BASE & 0x0000ff00



	@ turn off clock domains

	@ get ARM_IDLECT2 into r2

	ldrh	r2, [r4, #ARM_IDLECT2_ASM_OFFSET & 0xff]

	mov	r5, #OMAP1610_IDLECT2_SLEEP_VAL & 0xff

	orr	r5, r5, #OMAP1610_IDLECT2_SLEEP_VAL & 0xff00

	strh	r5, [r4, #ARM_IDLECT2_ASM_OFFSET & 0xff]



	@ request ARM idle

	@ get ARM_IDLECT1 into r1

	ldrh	r1, [r4, #ARM_IDLECT1_ASM_OFFSET & 0xff]

	orr	r3, r1, #OMAP1610_IDLE_LOOP_REQUEST & 0xffff

	strh	r3, [r4, #ARM_IDLECT1_ASM_OFFSET & 0xff]



	mov	r5, #IDLE_WAIT_CYCLES & 0xff

	orr	r5, r5, #IDLE_WAIT_CYCLES & 0xff00

l_1610:	subs	r5, r5, #1

	bne	l_1610

/*

 * Let's wait for the next clock tick to wake us up.

 */

	mov	r0, #0

	mcr	p15, 0, r0, c7, c0, 4		@ wait for interrupt

/*

 * omap1610_idle_loop_suspend()'s resume point.

 *

 * It will just start executing here, so we'll restore stuff from the

 * stack, reset the ARM_IDLECT1 and ARM_IDLECT2.

 */



	@ restore ARM_IDLECT1 and ARM_IDLECT2 and return

	@ r1 has ARM_IDLECT1 and r2 still has ARM_IDLECT2

	strh	r2, [r4, #ARM_IDLECT2_ASM_OFFSET & 0xff]

	strh	r1, [r4, #ARM_IDLECT1_ASM_OFFSET & 0xff]



	ldmfd	sp!, {r0 - r12, pc}		@ restore regs and return



ENTRY(omap1610_idle_loop_suspend_sz)

	.word	. - omap1610_idle_loop_suspend

#endif /* CONFIG_ARCH_OMAP16XX */





/*

/*

 * Forces OMAP into deep sleep state

 * Forces OMAP into deep sleep state

CRA Git | Maintained and supported by SUSTech CRA and CCSE